Class: Tidewave::Tools::GetSourceLocation

Inherits:
Base
  • Object
show all
Defined in:
lib/tidewave/tools/get_source_location.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.get_source_location(reference) ⇒ Object 



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# File 'lib/tidewave/tools/get_source_location.rb', line 58

def self.get_source_location(reference)
  constant_path, selector, method_name = reference.rpartition(/\.|#/)

  # There are no selectors, so the method_name is a constant path
  return Object.const_source_location(method_name) if selector.empty?

  begin
    mod = Object.const_get(constant_path)
  rescue NameError => e
    raise e
  rescue
    raise "wrong or invalid reference #{reference}"
  end

  raise "reference #{constant_path} does not point a class/module" unless mod.is_a?(Module)

  if selector == "#"
    mod.instance_method(method_name).source_location
  else
    mod.method(method_name).source_location
  end
end

Instance Method Details

#call(reference:) ⇒ Object 



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# File 'lib/tidewave/tools/get_source_location.rb', line 24

def call(reference:)
  # Check if this is a package location request
  if reference.start_with?("dep:")
    package_name = reference.gsub("dep:", "")
    return get_package_location(package_name)
  end

  file_path, line_number = self.class.get_source_location(reference)

  if file_path
    begin
      relative_path = Pathname.new(file_path).relative_path_from(Rails.root)
      "#{relative_path}:#{line_number}"
    rescue ArgumentError
      # If the path cannot be made relative, return the absolute path
      "#{file_path}:#{line_number}"
    end
  else
    raise NameError, "could not find source location for #{reference}"
  end
end

#get_package_location(package) ⇒ Object 



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# File 'lib/tidewave/tools/get_source_location.rb', line 46

def get_package_location(package)
  raise "dep: prefix only works with projects using Bundler" unless defined?(Bundler)
  specs = Bundler.load.specs

  spec = specs.find { |s| s.name == package }
  if spec
    spec.full_gem_path
  else
    raise "Package #{package} not found. Check your Gemfile for available packages."
  end
end